Grotte di Artesa de Segre

The municipality of Artesa de Segre, in the comarca of Noguera, has 12 registered cavities: 6 pits and 6 caves. Together they total 407 metres of length and reach a maximum depth of 37 metres. The lithologies present are limestone, in 9 cavities, and conglomerate, in 3.

Avenc del Fusell is the longest cavity, at 111 metres, and also the deepest, at 37 metres; it is a 31-metre-deep fissure in the serra de Sant Mamet, explored by the GERS of the AE Muntanya on 27 April 1986. The Forat del Barranc de la Clua, with 70 metres of length and 20 metres of depth, was explored on 27 December 2023 by Juli Serrano (SIE-CEA) and Francesc Rubinat (ERE-CEC). The Pou del Curs, with 38 metres of length and 28 metres of depth, has an entrance of 1.7 x 1 metre and shafts of 25 metres and -28 metres.

Other notable cavities are the Cova dels Braus, with 36 metres of length at Vall-llebrerola, and the Pou de la Collada, with 34 metres of length and 13 metres of depth, formed by two shafts that meet at their base. The Avenc de Lo Clot de Joan Pere, 9 metres deep, is a small and narrow shaft in the Serra de Comiols, located in December 2022 by the PROTEUS group.